Question

36/b - 4 =0 What is b ?

Answer 1

`(36)/(b)-4=0\ \ \ \ |add\ 4\ to\ both\ sides\\\\(36)/(b)=4\\\\(36)/(b)=(4)/(1)\ \ \ \ |cross\ multiply\\\\4b=36\ \ \ \ |divide\ both\ sides\ by\ 4\\\\\boxed{b=9}`